Mass per volume density.
Hectograms per Imperial gallon to Drams per Gallon Converter — hg/imp gal to dr/gal
Convert Hectogram per Imperial gallon (hg/imp gal) to Dram per Gallon (dr/gal) using the exact conversion factor (1 hectogram per imperial gallon = 46.99474801 dram per gallon). See the formula, worked examples, and conversion table.
Hectograms per Imperial gallon to Drams per Gallon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 21.99692483 / 0.4680719817.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectograms per Imperial gallon to Drams per Gallon
Hectogram per Imperial gallon and Dram per Gallon both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
drams per gallon = hectograms per imperial gallon × 46.994748008
This factor comes from each unit's defined relationship to the category's base unit: 1 hectogram per imperial gallon equals 21.9969248299 base units, and 1 dram per gallon equals 0.468071981707 base units, so dividing one by the other gives the direct hectogram per imperial gallon-to-dram per gallon factor of 46.994748008.
Simple example
1 hg/imp gal × 46.99474801 = 46.99474801 dr/gal
1 hectogram per imperial gallon = 46.99474801 drams per gallon.
Real-world example
1,000 hg/imp gal × 46.99474801 = 46,994.74801 dr/gal
1,000 hectograms per imperial gallon = 46,994.74801 drams per gallon.
Conversion table
| Hectogram per Imperial gallon (hg/imp gal) | Dram per Gallon (dr/gal) |
|---|---|
| 0.1 hg/imp gal | 4.699474801 dr/gal |
| 1 hg/imp gal | 46.99474801 dr/gal |
| 10 hg/imp gal | 469.9474801 dr/gal |
| 100 hg/imp gal | 4,699.474801 dr/gal |
| 1,000 hg/imp gal | 46,994.74801 dr/gal |
| 10,000 hg/imp gal | 469,947.4801 dr/gal |
Reverse conversion: Dram per Gallon to Hectogram per Imperial gallon
46.99474801 dr/gal × 0.02127897355 = 1 hg/imp gal
46.99474801 drams per gallon = 1 hectograms per imperial gallon.
hectograms per imperial gallon = drams per gallon × 0.0212789735532
For a page dedicated to this direction, see Dram per Gallon to Hectogram per Imperial gallon.
Understanding the Hectogram per Imperial gallon (hg/imp gal)
Mass per volume density.
Understanding the Dram per Gallon (dr/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per gallon are in 1 hectogram per imperial gallon?
1 hectogram per imperial gallon equals 46.99474801 drams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert hectogram per imperial gallon to dram per gallon?
Multiply the hectogram per imperial gallon value by 46.99474801. The converter above does this instantly to whatever precision you set.
How do I convert dram per gallon back to hectogram per imperial gallon?
Use the reverse factor: 1 dram per gallon equals 0.0212789736 hectograms per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectogram per imperial gallon?
Hectogram per Imperial gallon (hg/imp gal) is a unit of density.
What is a dram per gallon?
Dram per Gallon (dr/gal) is a unit of density.
Is the hectogram per imperial gallon to dram per gallon conversion exact?
Yes. Both hectogram per imperial gallon and dram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 46.99474801 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.